21753693

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{10937}}^1$

素因数の和:10973

約数の個数: 24

約数和(自身を含む): 35832888

約数和(自身を除く): 14079195

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 10937, 32811, 98433, 142181, 185929, 426543, 557787, 1279629, 1673361, 2417077, 7251231, 21753693]

約数ペア:

[(1, 21753693), (3, 7251231), (9, 2417077), (13, 1673361), (17, 1279629), (39, 557787), (51, 426543), (117, 185929), (153, 142181), (221, 98433), (663, 32811), (1989, 10937)]